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CITY OF COLTON <br />WELL PLANT 1�0. 22 <br />REHABILITATION OF WELL AND PUMPING UNIT <br />SCOPE OF WORK <br />All work will be performed in accordance with the atta.ched Basic and Specific Well Rehabilitation <br />Specifications and drawings. The City may direct Contractor to perform a.11 or part of the work described <br />in the bid items set forth below. For instance, work related to chemical cleaning of the 16" perforated <br />sections (Bid Item 103) will not be performed if work related to installation of 14" liner (Bid Item 105) is <br />performed. In addition, work related to rebuilding and installing the existing pumping unit (Bid Items 109 <br />and 110) will occur only if results of the step drawdown test indicate appropriate well production rates. <br />BID SCHEDULE <br />ITEM DESCRIPTION QTY UNIT UNIT AMOUNT <br />PRICE <br />101 Wire brush well from <br />ground surface to total depth <br />of well (16" diameter from 0' <br />to 450' below ground surface <br />and 12" diameter from 450' <br />to 850' below ground <br />surface) and ba.il well clean. <br />102 Provide alignment and <br />plumbness survey with <br />certification of entire depth <br />of well (survey sha11 be <br />conducted by an independent <br />party approved by Owner). <br />103 Chemically clean 16" <br />diameter perforated casing <br />sections, including <br />swabbing, neutralization, <br />treatment, and disposal of <br />wastewater, and bail well <br />clean. <br />104 Chemically clean 12" <br />diameter perForated casing <br />sections, including <br />s�vabbing, neutralization, <br />treatment, and dispos�.l of <br />waste`vzter, and bail well <br />clean. <br />N/A <br />N/A <br />160 <br />180 <br />1.4-1 <br />312-�9BIDSCHD <br />L.S. <br />L.S. <br />L.F. <br />L.F. <br />N/A <br />N/A <br />� 7�. v� <br />� � �8�.�� <br />�— <br />$ j, 9 ��� �v <br />$ � c�g�.�� <br />$ l' 3 s�� .c�a <br />